Module 1 Kinematics

Relative Velocity

SUVAT

v = u + at

v^2 = u^2 + 2as

s = ut + 1/2at^2

Values

u

a

v

s

t

displacement (m)

initial velocity

final velocity

acceleration

time (s)

Scalar vs Vector

Vector

Scalar

Magnitude and Direction

Magnitude no Direction

Speed

Distance

Velocity relative to an observer

What velocity would appear to be if observer assumed stationary

V a +- V b = V b rel a

Motion on a Plane

image

Vector triangles to cancel out multiple vectors